Brownells No. 4 Comet Flux 6 oz Bottle

Brownells No. 4 Comet Flux is a soldering flux designed for gunsmithing applications such as silver soldering and brazing on firearm components. This clear liquid flux comes in a convenient 6 fl oz bottle, making it suitable for ramp and bead soldering, scope base installation, and other metal-joining tasks. Formulated to promote clean solder flow and strong bonds on steel and other metals commonly found in firearms work.